138259840

素因数分解:

$2^7\times 5^1\times {\mathrm{349}}^1\times {\mathrm{619}}^1$

素因数の和:987

約数の個数: 64

約数和(自身を含む): 332010000

約数和(自身を除く): 193750160

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 349, 619, 640, 698, 1238, 1396, 1745, 2476, 2792, 3095, 3490, 4952, 5584, 6190, 6980, 9904, 11168, 12380, 13960, 19808, 22336, 24760, 27920, 39616, 44672, 49520, 55840, 79232, 99040, 111680, 198080, 216031, 223360, 396160, 432062, 864124, 1080155, 1728248, 2160310, 3456496, 4320620, 6912992, 8641240, 13825984, 17282480, 27651968, 34564960, 69129920, 138259840]

約数ペア:

[(1, 138259840), (2, 69129920), (4, 34564960), (5, 27651968), (8, 17282480), (10, 13825984), (16, 8641240), (20, 6912992), (32, 4320620), (40, 3456496), (64, 2160310), (80, 1728248), (128, 1080155), (160, 864124), (320, 432062), (349, 396160), (619, 223360), (640, 216031), (698, 198080), (1238, 111680), (1396, 99040), (1745, 79232), (2476, 55840), (2792, 49520), (3095, 44672), (3490, 39616), (4952, 27920), (5584, 24760), (6190, 22336), (6980, 19808), (9904, 13960), (11168, 12380)]